diff --git a/packages/@aws-cdk/aws-appsync/README.md b/packages/@aws-cdk/aws-appsync/README.md
index 721fa10390784..d7a54f9887cc7 100644
--- a/packages/@aws-cdk/aws-appsync/README.md
+++ b/packages/@aws-cdk/aws-appsync/README.md
@@ -252,7 +252,7 @@ import * as opensearch from '@aws-cdk/aws-opensearchservice';
 
 const user = new iam.User(this, 'User');
 const domain = new opensearch.Domain(this, 'Domain', {
-  version: opensearch.EngineVersion.OPENSEARCH_1_1,
+  version: opensearch.EngineVersion.OPENSEARCH_1_2,
   removalPolicy: RemovalPolicy.DESTROY,
   fineGrainedAccessControl: { masterUserArn: user.userArn },
   encryptionAtRest: { enabled: true },
diff --git a/packages/@aws-cdk/aws-appsync/test/integ.graphql-opensearch.expected.json b/packages/@aws-cdk/aws-appsync/test/integ.graphql-opensearch.expected.json
index 1977b2d346896..803b2f0226d72 100644
--- a/packages/@aws-cdk/aws-appsync/test/integ.graphql-opensearch.expected.json
+++ b/packages/@aws-cdk/aws-appsync/test/integ.graphql-opensearch.expected.json
@@ -39,7 +39,7 @@
         "EncryptionAtRestOptions": {
           "Enabled": true
         },
-        "EngineVersion": "OpenSearch_1.1",
+        "EngineVersion": "OpenSearch_1.2",
         "LogPublishingOptions": {},
         "NodeToNodeEncryptionOptions": {
           "Enabled": true
diff --git a/packages/@aws-cdk/aws-appsync/test/integ.graphql-opensearch.ts b/packages/@aws-cdk/aws-appsync/test/integ.graphql-opensearch.ts
index e055bfe15c83b..cb96dee17e90f 100644
--- a/packages/@aws-cdk/aws-appsync/test/integ.graphql-opensearch.ts
+++ b/packages/@aws-cdk/aws-appsync/test/integ.graphql-opensearch.ts
@@ -8,7 +8,7 @@ const app = new cdk.App();
 const stack = new cdk.Stack(app, 'appsync-opensearch');
 const user = new User(stack, 'User');
 const domain = new opensearch.Domain(stack, 'Domain', {
-  version: opensearch.EngineVersion.OPENSEARCH_1_1,
+  version: opensearch.EngineVersion.OPENSEARCH_1_2,
   removalPolicy: cdk.RemovalPolicy.DESTROY,
   fineGrainedAccessControl: {
     masterUserArn: user.userArn,
diff --git a/packages/@aws-cdk/aws-opensearchservice/lib/version.ts b/packages/@aws-cdk/aws-opensearchservice/lib/version.ts
index 119b7844502dc..b989ac4867b72 100644
--- a/packages/@aws-cdk/aws-opensearchservice/lib/version.ts
+++ b/packages/@aws-cdk/aws-opensearchservice/lib/version.ts
@@ -65,6 +65,9 @@ export class EngineVersion {
   /** AWS OpenSearch 1.1 */
   public static readonly OPENSEARCH_1_1 = EngineVersion.openSearch('1.1');
 
+  /** AWS OpenSearch 1.2 */
+  public static readonly OPENSEARCH_1_2 = EngineVersion.openSearch('1.2');
+
   /**
    * Custom ElasticSearch version
    * @param version custom version number